parser, planner: fix embedded setOprStmt will be seen as SetOprSelectList item and lost its orderBy and Limit

[AilinKid]

What problem does this PR solve?

Issue Number: close #49377

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

parser, planner: fix embedded setOprStmt will be seen as SetOprSelectList item and lost its orderBy and Limit

[tiprow]

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[codecov]

Codecov Report

Merging #49421 (11912ec) into master (3379450) will increase coverage by 0.6340%.
Report is 27 commits behind head on master.
The diff coverage is 25.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #49421        +/-   ##
================================================
+ Coverage   71.0549%   71.6889%   +0.6340%     
================================================
  Files          1368       1417        +49     
  Lines        401271     422973     +21702     
================================================
+ Hits         285123     303225     +18102     
- Misses        96324     100836      +4512     
+ Partials      19824      18912       -912     

Flag	Coverage Δ
integration	44.0145% <25.0000%> (?)
unit	71.0550% <ø> (+0.0001%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	53.9663% <ø> (ø)
parser	∅ <ø> (∅)
br	47.5164% <ø> (-5.3685%)	⬇️

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-12-14 07:10:53.550167079 +0000 UTC m=+512944.587394008: ☑️ agreed by qw4990.
• 2023-12-14 08:01:05.696089301 +0000 UTC m=+515956.733316213: ☑️ agreed by tangenta.

[fixdb]

There are still some test failures.

[bb7133]

/rebuild

[bb7133]

/retest

[bb7133]

LGTM

[easonn7]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bb7133, easonn7, fixdb, qw4990, tangenta

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Needs approval from an approver in each of these files:

• OWNERS [bb7133,fixdb,qw4990,tangenta]
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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #49499.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.4: #49500.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.1: #49501.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #49502.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #49503.